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Old 06-21-2014, 12:00 PM
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David Holmberg David Holmberg is offline
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Quote:
Originally Posted by john marcella View Post
The finish on my whole head is a cutter finish done by hand not cnc.
Damn that's impressive.

The grooves have to influence the outer boundary of air, giving at least a small amount of direction. It may be nothing, or it may be an unintended consequence that proves positive.